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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992670582

1008Image EncodingUSTU PhysTech Cup 20004260365

1016Cube on the WalkUSU Local Contest. 19991885819

1022Genealogical TreeAutumn School Contest 200010967141

1033LabyrinthUral Championship 19996557235

1035Cross-stitchUral Championship 199911211363

1040Airline CompanyUSU Championship 200015211000

1045Funny GameUSU Local Contest. March 20002904519

1056Centers of the NetNEERC 2000 Central Subregional2738549

1065FrontierNEERC 200010061406

1069Prufer CodeUSU Personal Contest 20012687515

1072RoutingUSU Personal Contest 20012764501

1076Trash1939709

1077Travelling Tours1253396

1080Map ColoringWinter Mathematical Festival Varna 20017232190

1085MeetingSpring School Contest 20012174624

1096Get the Right Route Plate!USU Local Contest. March 20011822706

1099Work Scheduling10101148

1106Two TeamsTetrahedron Team Online Contest May 2001674374

1109ConferenceBulgarian Online Contest September 20011992250

1119MetroAutumn School Contest 2001715970

1124MosaicUSU Championship 20011669298

1128Partition into GroupsUSU Championship 20011202413

1129Door PaintingUSU Championship 20011220407

1136ParliamentNEERC 2001 Central Subregional5013100

1137Bus RoutesNEERC 2001 Central Subregional1546322

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011400355

1156Two RoundsUral Championship 2001. Round 21519328

1160NetworkNEERC 2001 Northern Subregional3457146

1162Currency ExchangeNEERC 2001 Northern Subregional2536197

1176HyperchannelsUSU Personal Contest 20021491335

1182Team Them Up!NEERC 2001971513

1198Jobbery1057489

1199Mouse1303415

1205By the Underground or by Foot?USU Local Contest. March 20022112237

1208Legendary Teams ContestUSU Local Contest. March 20022351213

1210Kind SpiritsAutumn School Contest 20023103163

1218Episode N-th: The Jedi TournamentUSU Championship 20021557324

1227Rally ChampionshipNEERC 2002 Central Subregional1671302

1237Evacuation PlanNEERC 2002505987

1242WerewolfUSU Personal Contest 20032875176

1250Sea BurialUSU Local Contest. March 2003689729

1254Die HardUSU Local Contest. March 2003783642

1270UnicubeUSU Championship 20032042397

1271Sailing DirectionsUSU Championship 20031014622

1272Non-Yekaterinburg SubwayUSU Championship 20033480147

1277Cops and ThievesNEERC 2003 Central Subregional638792

1280Topological SortingNEERC 2003 Central Subregional3621141

1281River BasinNEERC 2003 Central Subregional3621380

1291Gear-wheelsSpring School Contest 20041329385

1301Cube in LabyrinthUral Championship 1998682745

1314Chase in SubwayUral Championship 2004. Round 1867588

1315MDPAR and MIIARUral Championship 2004. Round 12681855

1320Graph DecompositionUral Championship 2004. Round 21789287

1323ClassmatesUral Championship 2004. Round 2613828

1325DirtUral Championship 2004. Round 2951537

1329Galactic HistoryAutumn School Contest 20041117460

1337BureaucracyAutumn School Contest 20043231557

1338AutomobilesUSU Championship 20042801793

1339BabiesUSU Championship 2004594861

1358CablesSpring School Contest 2005949543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22551965

1367Top SecretUral Championship 2005. Round 21633011

1379Cups TransportationUral Championship 2005. Round 1846610

1392Dreaming of Stars673765

1399Economical Director3610392

1400Cellular CharactersAutumn School Contest 2005940550

1416ConfidentialUSU Championship 20051309395

1419Maps of the Island WorldsUSU Championship 20054171219

1421Credit OperationsTimus Top Coders: First Challenge927544

1434Buses in VasyukiUSU Personal Contest 2006558895

1441From the History of Gringotts BankUral Championship 20064311147

1447Portkey NetworkUral Championship 2006499993

1449Credit Operations 2Timus Top Coders: Second Challenge3281488

1450Russian PipelinesTimus Top Coders: Second Challenge3276153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest984515

1487Chinese FootballUSU Championship 20063721273

1500Pass LicensesNEERC 2006 Eastern Subregional749638

1505Oil TransferNEERC 2006 Eastern Subregional1562918

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3941172

1533Fat HobbitsUSU Personal Contest 2007466992

1544Classmates 3Ural Championship 20073621257

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2441786

1569Networking the “Iset”USU Championship 2007474935

1575Yekaterinburg Subway 2Autumn School Contest 2007514862

1580Dean's DebtsAutumn School Contest 2007494896

1610CactusesUral Championship 20082062021

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1253143

1630TalismanUSU Championship 20084021018

1641DutiesAutumn School Contest 2008823502

1643Attack of the Dark FortressAutumn School Contest 2008976424

1651Shortest SubchainNEERC 2008 Eastern Subregional1207343

1652Banking CrisisNEERC 2008 Eastern Subregional1432731

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2001970

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281731

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1183176

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3631090

1709Penguin-AviaUral Championship 20092635153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional662579

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1227308

1770The Party of Ural ChampionsUral Championship 20102061734

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1891189

1833Hopes of RowingUral Championship 20111612016

1837Isenbaev's NumberUral Championship 2011581359

1847ZamkadyePetrozavodsk Summer 2010. USU Contest664396

1882Old NokiaUral Regional School Programming Contest 20111102763

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional711459

1905Travel in TimeUral Championship 20122601132

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2301271

1930Ivan's CarUral Regional School Programming Contest 20121832165

1934Black SpotUral FU Championship 2012852352

1966Cycling RoadsUral FU Personal Contest 2013414679

1980Road to InvestorUral Championship 2013438636

1982Electrification PlanUral FU Championship 20132124131

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional261942

2017Best of a bad lotNEERC 2014 Eastern Subregional1801344

2030Awesome Backup SystemUral Regional School Programming Contest 2014496503

2034CaravansUral Regional School Programming Contest 2014884284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest942432

2055Urban GeographyUral Championship 20151511502

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141481354

2113Survive the floodUniversity academic school olympiad in informatics 2019356417

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest283960

2128Rubina's SolitaireLater is better than never137993

2132Graph Decomposition. Version 2Later is better than never881490

2140BitMazeCraftUral School Programming Contest 20191111166

2147City BuildingUral School Programming Contest 2019661857

2155QuadrocopterUral School Programming Contest 20201031016

2159EssayUral School Programming Contest 2021351450

2169City Building 2Ural School Programming Contest 2022202172

2174Dualism of NumbersUral School Programming Contest 2023261027

2180Need More TasksUral School Programming Contest 2023101847

2187Need More GoldUral School Programming Contest 202482052

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022161423

2195Binary TreesICPC Ural Regional Contest Qualifier 202391947

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024131604